- #1

A_Munk3y

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## Homework Statement

The volume V of a cube with sides of length x in. is changing with respect to time. At a certain instant of time, the sides of the cube are 5 in. long and increasing at the rate of 0.1 in./sec. How fast is the volume of the cube changing at that instant of time?

## The Attempt at a Solution

dv/dt = dx/dt*3x

^{2}

dx/dt=0.1 x=5

dv/dt=0.1(3*5

^{2})=7.5 cu in/sec

am i correct in my answer?